Instructions

Hardware resources
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany Tel.: [phone] · www.akytec.de
17
Table 4.1 Modbus registers
Model
Parameter
Data
type
Address (hex)
Modbus
function
Inputs
All
DI1...DI8 input status
BOOL
0x1000 – 0x1007
0x01, 0x02
UINT16
0x0100
0x03, 0x04
x.2.x
x.4.x
AI1 measured value REAL
REAL32
0x0B00, 0х0B01
0x03, 0x04
AI2 measured value REAL
REAL32
0x0B02, 0х0B03
0x03, 0x04
AI3 measured value REAL
REAL32
0x0B04, 0х0B05
0x03, 0x04
AI4 measured value REAL
REAL32
0x0B06, 0х0B07
0x03, 0x04
AI1 measured value UINT *
UINT16
0x0B80
0x03, 0x04
AI2 measured value UINT *
UINT16
0x0B81
0x03, 0x04
AI3 measured value UINT *
UINT16
0x0B82
0x03, 0x04
AI4 measured value UINT *
UINT16
0x0B83
0x03, 0x04
AI1 decimal point (DP) UINT *
UINT16
0x0BC0
0x03, 0x04
AI2 decimal point (DP) UINT *
UINT16
0x0BC1
0x03, 0x04
AI3 decimal point (DP) UINT *
UINT16
0x0BC2
0x03, 0x04
AI4 decimal point (DP) UINT *
UINT16
0x0BC3
0x03, 0x04
AI1 input status (digital mode)
BOOL
0xB800
0x01, 0x02
AI2 input status (digital mode)
BOOL
0xB810
0x01, 0x02
AI3 input status (digital mode)
BOOL
0xB820
0x01, 0x02
AI4 input status (digital mode)
BOOL
0xB830
0x01, 0x02
Outputs
x.1.x
DO1...DO6, F1, F2 output status
BOOL
0x0000 – 0x0007
0x01, 0x02
UINT16
0x0000
0x03, 0x04
x.2.x
x.4.x
DO1...DO8, F1, F2 output status
BOOL
0x0000 – 0x0009
0x01, 0x02
UINT16
0x0000
0x03, 0x04
x.2.x
x.4.x
AO1 output value (0…1)
REAL32
0х0A00, 0х0A01
0x03, 0x04
AO2 output value (0…1)
REAL32
0х0A02, 0х0A03
0x03, 0x04
AO1 output value (0…10000)
UINT16
0x0A80
0x03, 0x04
AO2 output value (0…10000)
UINT16
0x0A81
0x03, 0x04
All
Network variables
BOOL
0x2000 – 0x23F0
0x01, 0x02,
0x05, 0x0F
UINT16
0x0200 – 0x023F
0x03, 0x04,
0x06, 0x10
Real-time clock
All
Seconds
UINT16
0x0400
0x03, 0x04,
0x06, 0x10
Minutes
UINT16
0x0401
0x03, 0x04,
0x06, 0x10
Hours
UINT16
0x0402
0x03, 0x04,
0x06, 0x10
Day
UINT16
0x0403
0x03, 0x04,
0x06, 0x10
Month
UINT16
0x0404
0x03, 0x04,
0x06, 0x10
Year
UINT16
0x0405
0x03, 0x04,
0x06, 0x10
Weekday
UINT16
0x0406
0x03, 0x04
Week of month
UINT16
0x0407
0x03, 0x04
Calendar week
UINT16
0x0408
0x03, 0x04
* AI1 measured value UINT = AI1 measured value REAL * 10
DP
(sect. 4.1.1)
For outputs DP = 4 (constant)
4.3.2 Master mode
There can be only one master in Modbus network.